In a Linked List Implementation Using a Reference First to Point

question 16

Multiple Choice

In a linked list implementation using a reference first to point to the first node of the list,a method isEmpty() can test to see if the list is empty by executing the statement(s)

• A) return null;
• B) first = null;return first;
• C) if (isEmpty(..return true;else return false;
• D) return first == null;

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Definitions:

Price Leadership

A situation where one company (the price leader) sets the price of goods or services in the market, and other companies follow suit, often seen in oligopolistic markets.

Nash Equilibrium

An idea in strategic game theory in which none of the participants can gain by altering their approach if all other players maintain their current strategies.

Solar Water Heaters

Devices that convert sunlight into heat to warm water for residential and commercial uses, promoting energy efficiency.

Nonprice Competition

A strategy where businesses compete on factors other than price, such as quality, service, or brand image.